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Diffstat (limited to 'results/scraper/launchpad-without-comments/1837651')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1837651 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1837651 b/results/scraper/launchpad-without-comments/1837651 new file mode 100644 index 000000000..d799c21b3 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1837651 @@ -0,0 +1,15 @@ +-netdev socket uses 100% cpu on Windows host + +On Windows hosts, any `-netdev socket` option (tcp listen, tcp connect, udp passing a fd) causes qemu to use 100% cpu. The guest still runs, but only sluggishly. + +A simple testcase is: + +> qemu-system-i386.exe -netdev socket,listen=:8000,id=n + +And, in another command prompt: + +> echo foo | nc.exe localhost 8000 + +Where nc.exe is netcat. + +Tested on qemu 3.1 (from https://qemu.weilnetz.de/w64/) and 4.0 (self compiled). \ No newline at end of file |